Craig Strong created PDFBOX-1988:
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Summary: PDFBox ExtractText issue of PDF with no embedded fonts
Key: PDFBOX-1988
URL: https://issues.apache.org/jira/browse/PDFBOX-1988
Project: PDFBox
Issue Type: Bug
Components: Text extraction
Affects Versions: 1.8.4
Environment: Windows 7
Also, PASE on IBM i
Reporter: Craig Strong
Fix For: 1.8.5
I have been using PDFBox 1.8.4 to extract text from several different PDF files
fine. I use the latest PDFBox app with ExtractText command line. There is one
PDF that PDFBox (and iText) fails to extract any text even though I can extract
the text with Adobe Reader and also pdftotext.exe part of XPdf. "java -jar
pdfbox-app-1.8.4.jar ExtractText Test1.pdf Out.txt". I don't want to have to
rely on using pdftotext.exe from a PC since this is part of an automated
application. I think the error relates to an unknown font type and having to
use the few fonts installed in the jar file. I tried running the API classes
and trying to force a font from a certain location but I still got errors. I
thought I loaded the font with the loadTTF method but I don't know if that did
anything with the font. I would really like to have this working straight from
the ExtractText class anyway.
Here are the errors I am getting. I tried this from both a Windows 7 PC and
our IBM i in the PASE environment but I get the same errors. The section
starting processEncodedText and on repeats a few times so I just included the
first entries.
Mar 10, 2014 3:50:44 PM org.apache.pdfbox.pdmodel.font.PDFontFactory createFont
WARNING: Substituting TrueType for unknown font subtype=
Mar 10, 2014 3:50:45 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
Throwable occurred: java.lang.NullPointerException
at
org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.loadDescriptorDictionary(PDTrueTypeFont.java:375)
at
org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.ensureFontDescriptor(PDTrueTypeFont.java:221)
at
org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.<init>(PDTrueTypeFont.java:119)
at
org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:121)
at org.apache.pdfbox.pdmodel.PDResources.getFonts(PDResources.java:204)
at
org.apache.pdfbox.util.PDFStreamEngine.getFonts(PDFStreamEngine.java:604)
at
org.apache.pdfbox.util.operator.SetTextFont.process(SetTextFont.java:54)
at
org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:554)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:268)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:235)
at
org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:215)
at
org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:456)
at
org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:381)
at
org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:340)
at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:275)
at org.apache.pdfbox.ExtractText.main(ExtractText.java:85)
at org.apache.pdfbox.PDFBox.main(PDFBox.java:58)
Mar 10, 2014 3:50:45 PM org.apache.pdfbox.util.PDFStreamEngine
processEncodedText
WARNING: java.lang.NullPointerException
Throwable occurred: java.lang.NullPointerException
at
org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:355)
at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
at
org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:554)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:268)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:235)
at
org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:215)
at
org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:456)
at
org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:381)
at
org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:340)
at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:275)
at org.apache.pdfbox.ExtractText.main(ExtractText.java:85)
at org.apache.pdfbox.PDFBox.main(PDFBox.java:58)
Mar 10, 2014 3:50:45 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
WARNING: java.lang.NullPointerException
Throwable occurred: java.lang.NullPointerException
at
org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:364)
at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
at
org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:554)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:268)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:235)
at
org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:215)
at
org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:456)
at
org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:381)
at
org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:340)
at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:275)
at org.apache.pdfbox.ExtractText.main(ExtractText.java:85)
at org.apache.pdfbox.PDFBox.main(PDFBox.java:58)
Thanks,
Craig Strong
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